Collision Course

On March 20, 1990, a tour bus carrying Gloria Estefan, her husband, son, and two of her crew is traveling through Pennsylvania when an 18-wheel truck slams into them from behind when her driver stops in the road.

On the night of April 14, 1912, the RMS Titanic, on her maiden voyage from Southampton to New York, collides with an iceberg in the middle of the North Atlantic and sinks within a few hours, drowning 1,500 of its 2,200 passengers.

Why did Evel Knievel, a daredevil performer who was famous for spectacular, airborne, motorcycle stunts, crash during his famous Caesars Palace, Las Vegas stunt?

In 2001 NASCAR superstar Dale Earnhardt Sr. was killed in a crash on the Daytona 500 racing track; questions surrounded the accident including how this fearless driver, driving a car he knew, on a track he knew, die in an accident.

Actor Harrison Ford left Santa Monica airport in his vintage WWII restored fighter plane on March 5, 2015; he radioed the tower just minutes later saying something was wrong and he needed to land somewhere immediately.

On Jan. 15, 2009, three minutes after takeoff on a routine flight from La Guardia, N.Y. to Charlotte, N.C., US Airways Flight 1549 suddenly fell from the sky; without power, veteran pilot Capt. Sully Sullenberger landed the plane in the Hudson River.